1. The Years of Discovery covers the years 1821 to 1875, from Mary Baker Eddy’s birth until the publication of her book, Science and Health. The Years of Trial includes the next fifteen years, from 1875 to 1891. This time period follows the first publication of Science and Health up until the publication of the milestone 50th edition of the text.
  2. Robert Peel, Mary Baker Eddy: The Years of Trial (Boston: The Christian Science Publishing Society, 2024), 209.
  3. Robert Peel, Mary Baker Eddy: The Years of Trial, 301.